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Journal of Ultrasound in Medicine, Vol 12, Issue 11 641-643, Copyright © 1993 by American Institute of Ultrasound in Medicine

JOURNAL ARTICLE

Isolated reversed umbilical arterial blood flow on Doppler ultrasonography and fetal hiccups

G. M. Mueller and S. L. Sipes
Department of Obstetrics and Gynecology, University of Iowa College of Medicine, Iowa City.

Absent and reversed UA end-diastolic blood flow is usually a poor prognostic sign. However, in 19 fetuses evaluated in the Fetal Diagnosis and Treatment Unit, we observed an unusual pattern of intermittent, significantly decreased, or reversed UA blood flow that coincided with a demonstration of fetal hiccuping. No evidence of cardiac arrhythmia, heart failure, or uteroplacental dysfunction was found in these fetuses. With one exception, all Doppler evaluations were otherwise normal. A potential mechanism of intermittent fetal UA blood flow reversal is discussed.




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Copyright © 1993 by the American Institute of Ultrasound in Medicine.